//
//  DemoItem.h
//  设计模式
//
//  Created by huyang on 2020/7/9.
//  Copyright © 2020 test. All rights reserved.
//

#import <Foundation/Foundation.h>

NS_ASSUME_NONNULL_BEGIN

@protocol DemoItem <NSObject>

- (NSString *)name;

@end

NS_ASSUME_NONNULL_END
